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34431225 = 3521672749
BaseRepresentation
bin1000001101011…
…0000011111001
32101210021202120
42003112003321
532303244400
63225551453
7565442403
oct203260371
971707676
1034431225
1118487764
12b645589
137196c0a
144803b73
153051ca0
hex20d60f9

34431225 has 24 divisors (see below), whose sum is σ = 57288000. Its totient is φ = 18246720.

The previous prime is 34431181. The next prime is 34431227. The reversal of 34431225 is 52213443.

It is not a de Polignac number, because 34431225 - 28 = 34430969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34431195 and 34431204.

It is not an unprimeable number, because it can be changed into a prime (34431227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11151 + ... + 13899.

It is an arithmetic number, because the mean of its divisors is an integer number (2387000).

Almost surely, 234431225 is an apocalyptic number.

It is an amenable number.

34431225 is a deficient number, since it is larger than the sum of its proper divisors (22856775).

34431225 is a wasteful number, since it uses less digits than its factorization.

34431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 34431225 is about 5867.8126248203. The cubic root of 34431225 is about 325.3250397037.

Adding to 34431225 its reverse (52213443), we get a palindrome (86644668).

The spelling of 34431225 in words is "thirty-four million, four hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 167 501 835 2505 2749 4175 8247 12525 13745 41235 68725 206175 459083 1377249 2295415 6886245 11477075 34431225